import java.util.Scanner;
public class GuessNumber {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        String again;
        //1.生成答案
        do {
            int answer = (int)(Math.random()*100+1);
            int chances = 7;
            //2.接受猜测数字
            while (chances>0){
                System.out.println("请猜一个1-100之间的整数（含1-100）," +
                        "你还有"+chances+"次机会：,输入-1可结束本轮游戏：");
                int guess;
                try {
                    guess = scan.nextInt();
                }catch (Exception e){
                    System.out.println("请输入合法数字！！！");
                    scan.next();
                    continue;
                }
                //3.比较关系
                if (guess == -1){
                    break;
                }else if ((guess>answer)){
                    System.out.println("大了");
                }else if (guess<answer){
                    System.out.println("小了");
                }else {
                    System.out.println("恭喜！猜对啦！");
                    break;
                }
                chances = chances - 1;
            }
            if (chances<=0){
                System.out.println("你没有机会了！");
            }
            //4.每猜一次，比较一次
            System.out.println("再玩一次吗(Y/N)");
            again = scan.next();
        }while (again.equalsIgnoreCase("Y"));

    }
}